The product specifications for gas sampling pumps typically encompass a range of technical parameters, operating environmental conditions, and safety warnings. Common technical parameters include sampling volume (e.g., 50 mL or 100 mL), flow rate (typically ranging from 2 to 6 L/min), vacuum level (e.g., 8 to 90 kPa), output pressure (reaching up to 250 kPa), operating voltage (including DC 5V/12V/24V, AC 220V, etc.), power consumption (typically ranging from 5 to 60 W), and noise level (usually below 45–50 dB(A)).
Regarding environmental and media requirements, the operating ambient temperature typically ranges from 0°C to 40°C or 5°C to 50°C, while the temperature of the sampled medium must be maintained between 0°C and 50°C. The gas being sampled must be non-corrosive and oil-free, though a high moisture content is permissible.
Safety warnings include strict prohibitions against operating non-explosion-proof models in flammable or explosive environments. When sampling hazardous gases, the pump must undergo additional sealing measures. Furthermore, the exhaust port of the pump must remain unobstructed, and no damping components or flow restrictors should be installed at this outlet.
